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Now downloading free:POLYTRON ( INDONESIA ) MX5203MS  [report bad file]  

TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

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Mfg:POLYTRON ( INDONESIA )
Model:MX5203MS
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Description:It used STV2286H , AN5891K , TDA8174 , STB9NK70Z-1 Complete Service Manual in RAR file type.sent by SayaHtoo@ezilon.com
Group:Electronics > Consumer electronics > TV >
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MANUAL SERVICE MX5203MS 1.pdf5432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 5432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 5432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 5432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 5432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 5432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 5432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 5432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 543210987654321098765432
MANUAL SERVICE MX5203MS 10.pdfService Manual BML Myanmar 3. Horizontal Shift Adjustment : - Select H. Shift item on service mode. 4. PT.Hartono Istana Teknologi Adjust horizontal position by using Vol/DT +/- button until picture position in the middle. Press menu button to store data adjustment. Adjustment are going on PAL position, then following NTSC 3.58. Vertical Shift Adjustment : - Select V. Shift item by using Prog +/- button. Adjust vertical position by using Vol/DT +/- button until picture position exactly on the middle. Press menu button to store data adjustment. Adjustment are going on PAL position, then following NTSC 3.58. Adjustment are going on picture mode soft. 5. Vertical Amplifier Adjustment : Select V. Amplifier item by using Prog +/- button. Adjust vertical amplifier by using Vol/DT +/- button until we got the best picture size ( space between the bottom circle and the top circle ± 5mm. Press menu button to store data adjustment. Adjustment are going ± 10 minutes after TV on. Adjustment ar
MANUAL SERVICE MX5203MS 11.pdfService Manual BML Myanmar 6. PT.Hartono Istana Teknologi G2 and White Balance Adjustment : Presetting Condition : Brightness = 60 Contrast = 100 Blue back = on R / G / B Cut off = 80 (14",15"RF,21" RF) 100 (20",21" and for HBBA-061A(20",21"21" RF)) R / GB Gain = 50 R DC , G DC = 32 Trimpot G2 = Minimum - Use White Balance pattern. - Acces to Service Mode. - Make 1 horizontal line by pressing Yellow button on remote control. - Set trimpot G2 until we got 1 horizontal line with enough intensity. - Return to normal position by pressing yellow button. - Use Chroma meter to adjustment White Balance. - Plug in Chroma meter probe on the black side. - Adjust R G B Cut off, to get standard value : X = 254 ± 7 Minolta Y = 241 ± 7 CA-100+ Y = 5.0 s/d 6.5 Note : While in adjustment, one of color are fixed, according to CRT dominance color on 1 horizontal line. Press menu button to save data Adjustment. Change its probe to the white one. Adjust R gain and G Gain to get standard value. X = 254 ±
MANUAL SERVICE MX5203MS 12.pdfService Manual BML Myanmar IV. ADJUSTMENT ABL A. For HBBA-061A : 1. G2 and White Balance Adjustment : Presetting Condition : Brightness Contrast Color PNR Blue back R / G / B Cut off R / GB Gain R DC , G DC = 32 Trimpot G2 Pic Improve = 70 = 100 = 50 = off = on = 60 (20",21",21RF) = 50 = Minimum = ON (menu) PT.Hartono Istana Teknologi Use White Balance (White Black) pattern Acces to Service Mode. a. For IC Micom HBM-00-08 : - Make 1 horizontal line (raster tip) by pressing yellow button on remote control. - Set trimpot G2 until we got 1 horizontal line with enough intensity and notice the domi nance color. - return to the normal position by pressing yellow button. - Adjust trimpot G2 until we got voltage on cathoda dominance as bellow : - For 21" Real Flat - For 20" and 21" = 136Vdc ± 1Vdc = 130Vdc ± 1Vdc b. For IC micom HBM-01-04 : - Measure the third cathode (KB, KG, KR) and look for cathode with highest value. - Set trimpot G2 until voltage on highest cathoda as bellow : - For 21
MANUAL SERVICE MX5203MS 13.pdfService Manual BML Myanmar 2. PT.Hartono Istana Teknologi Press menu button to save data Adjustment. Check again if low bright value has non standard value. Repeate same steps to make correction. Check High Bright once again and make correction if its value isn't conforming, until we got Low Bright and High Bright value according by standard value. APR Adjustment : Acces to service mode. Set APR to 15 value = 21" RF (ABL) 3. - Press menu button to save data Adjustment. Normalisation setting (memory setting) : Brightness Contrast Color Sharpness = 55 = 100 = 70 = 100 - Tint - PNR - Pic Improve = 00 = OFF = ON B. For HBBA-067A 1. G2 and White Balance Adjustment : Presetting Condition for WB Adjustment : Brightness = 70 (for flat Hitachi = 75) Contrast Color PNR Blue back R / G / B Cut off B Gain R DC , G DC Trimpot G2 Pic Improve = 100 = 60 = off = on = 60 (RF) = 50 = 32 = Minimum = ON (menu) Use White Balance (White Black) pattern Acces to Service Mode. a. For IC Micom HBM-00-01H
MANUAL SERVICE MX5203MS 14.pdfService Manual BML Myanmar Adjust R & G DC, to get standard value : PT.Hartono Istana Teknologi x = 264 ± 7 } y = 256 ± 7 Y = 1.8 s/d 5 xy 5 Minolta CA-100 - Press menu button to save data Adjustment. Change its probe to the white one. Adjust R gain, G Gain to get standard value : x = 264 ± 5 } y = 266 ± 5 Minolta CA-100+ - Press menu button to save data Adjustment. Check again if low bright value has non standard value. Repeate same steps to make correction. Check High Bright once again and make correction if its value isn't conforming, until we got Low Bright and High Bright value according by standard value. 2. APR Adjustment : - Acces to service mode. - Set APR to position : - 20" = 07 (Domestic & Export) - 21" & 21" RF = 07 (Domestic) - 21" & 21" RF = 15 (Export) - Press menu button to save data Adjustment. 3. Normalisation Setting (memory setting) : - Brightness = 60 - Contrast = 100 - Color = 60 - Sharpness = 75 - Tint - PNR - Pic Improve = 00 = OFF = ON 13
MANUAL SERVICE MX5203MS 15.pdfService Manual BML Myanmar C. ADJUSTMENT ON FACTORY MODE PT.Hartono Istana Teknologi c.1. IF PLL Adjustment : - Inject SSG signal 38.95 MHz to IF Tuner output (sanyo tuner 115-B-8054EP and samsung tuner TECC2949PG40J (P) use signal 39.04 MHz). - Access to factory mode setting. - Adjust IF coarse until we got In Low or In High position. - Select IF Fine menu. - Adjust IF Fine tuner until we got AFC Ok from AFC In low condition or AFC In High. - If adjustment from AFC In Low , then turn up IF fine until 10 steps at above of Blinking between In Low/Ok. - If adjustment from AFC In High , then turn down IF tuner until 10 steps at the bottom of Blinking between In High/Ok. - Press MENU button to keep adjustment data. c.2. AGC Adjustment : : - Inject normal pattern ( channel 7 ) with signal strength 60dB on antenna input. - Select AGC menu on Factory Mode. - Monitor AGC voltage of Test Point TP AGC at : J322 for BM3 or; J107F for BM1 or; J105 for BM0, BMI, BMJ and BML Adjust AGC until pres
MANUAL SERVICE MX5203MS 16.pdfService Manual BML Myanmar PT.Hartono Istana Teknologi OPTION SETTING 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 QSS 2 3 4 5 6 PIF Over Mod. AV2 AV3 XA(4.43) Xtall configuration, 1=enable 0=disable XB(3.58 AV/TVout 1=AV out 0=TV out APR/TILT 1=Full antenna/Tilt 0=no HRC/IRC/APR Subwoofer 1=Subwoofer is ready 0=no Subwoofer Brand1 00=Okei 10=Digitec Brand2 01=Polytron 11=Blank AVL 1=AVL enable 0=Disable Power 1=Last condition 0=Direct on Super Bass 1=Super bass on menu 0=disable Demod.gain 1=Demod.gain is high 0=Demod.gain is low Stray Emmision 1=Stray emmision is active 0=not active FSM 1=FSM enable 0=disable Auto PAL BG PAL DK PAL I 1=enable for each function Secam BG Secam DK NTSC M NTSC BG Mono/stereo 1=Stereo (Qss appl.) 0=Mono (Intercarier appl) Norm./Widely Over M1=Security/normal/preset menu On 0=disable/widely over mod./preset menu hide ABL/MBL 1=Automatic Black Level 0=Manual Black Level DVD In 1=Non linier vol/DVD in 0=Linier vol/Non DVD in Wireless HP 1=Wireless
MANUAL SERVICE MX5203MS 17.pdfService Manual BML Myanmar OPTION SETTING TY P E B IT O P TIO N 0 Qs s 1 AV2 2 AV3 3 XA (4 . 4 3) 4 XB (3 . 5 8 5 A V o ut . / TV o ut 6 A P R / Tilt 7 S u bw o o fer 0 B ra n d1 1 B ra n d2 2 AVL 3 P o w er 4 S u pe r B a s s 5 D e m o d .g a i n 6 S t ra y E m m is io n 7 FS M 0 A uto 1 PAL BG 2 P A L DK 3 PAL I 4 S ecam B G 5 S ecam DK 6 N TS C 3. 58 7 N TS C 4. 43 Mo n o /S te r e o 0 1 N o rm a l/W id e l y O ve r M o d 2 A B L/M B L 3 D VD In 4 W ire le s s H P 5 E XT R G B / Y U V 6 P IF O ve r M o d . 7 A g ein g R G B C u t o ff APR AVL B as s M ix La s t C o n d . S u pe r B a s s S et t in g s u rro u nd OPTION 3 OPTION 2 OPTION 1 OPTION 0 M5203MS PT.Hartono Istana Teknologi 0 1 0 1 1 1 0 0 0 1 1 1 0 0 0 1 1 1 0 0 0 0 1 1 0 0 1 1 0 0 0 0 60 15 0 0 ON 60 Note : 1. Please read the Option from right to left : D7 D6 D5 D4 D3 D2 1 1 1 1 1 1 D1 1 D0 1 16
MANUAL SERVICE MX5203MS 18.pdfService Manual BML Myanmar PT.Hartono Istana Teknologi V. TRAP 34.4 Mc ADJUSTMENT 1. Set the circuit as following figure : Vcc (+8V) TUNER IF IF AMP IC 301 C 309 5 1K EXT. AGC HBDC Modul 13 GERMANIUM DIODE 1K C 505 SWEMAR +14VDC POWER SUPLAY LBO IN 2. 3. 4. 5. Set system on NTSC, and short Pin 4 of EA301 to ground. Ensure setting is on (not standby). Adjust Ext. AGC until the level of sinus signal is maximum without distortion. Adjust Trap 34.4 Mc (Ldc-301) of HBDC modul to obtain minimum DIP (smallest signal level) or until we get signal in the HBDC modul as following curve signal : 36.5Mc 38.9Mc 33.4Mc 34.4Mc 41.4Mc Figure : IF curve of NTSC system IF Measurement Standard for NTSC system : Freq : 36.5MHz = 0dB (70dB) 38.9MHz = 6dB (5 - 7dB) 34.4MHz = 20dB (18-22dB) note : HBDC modul no need to adjust if the circuit use SAW Filter MIF 389A ( Trap 34,4M on fixed Condition. 17
MANUAL SERVICE MX5203MS 19.pdfHBCO-302A AC LINE HBDO-073A RIGHT SPEAKER LEFT SPEAKER WIRING DIAGRAM Final Assembly + - + - DC301 DC302 EA501 AP2 HBDC-028A EA502/ EA504/ to DB202 Merah EA701/ EA703/ EA201/ WHITE TO Rea-555/J520 BLACK TO EA703(1) to DC302 hijau to DB202 EA304/ R316 WHITE SHIELD TO Rea-316/L303 Service Manual Chassis BML Myanmar RED SHIELD TO Rea-316/R320 R365 EA601/ SF301 HBDN-072A EA602/ EA702/ to DB203 EA303/ EA801/ to DB202 Hitam+Orange AP1 A4 TO A4 DN301 DB203 DB202 HBDB-097A GND G2 HBBA-067A PT Hartono Istana Teknologi BA602 BA601 BA605 18
MANUAL SERVICE MX5203MS 2.pdfService Manual BML Myanmar PT.Hartono Istana Teknologi TABLE OF CONTENTS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Contents............................................................................................................................... Warning and Caution.............................................................................................................. Specifications........................................................................................................................ 1 2 3 Blok Diagram Chassis BML Series.......................................................................................... 5 Trouble Shooting Chassis BML Series...................................................................................... 6 Prosedure Adjustment Chassis BML Series............................................................................... 8 Wiring Diagram Chassis BML.......................................................................................
MANUAL SERVICE MX5203MS 20.pdf17 15 16 NO. COMP_ITEM DESCRIPT SUPP_ITEM KBL10 PCB HBEA-028B GLAS TUBE BRIDGE RECT. DIODE 4A FC-200151-GT AG-200104-LAA 1 2 3 4 QTY 1 1 1 1 1 1 D.C 340 HBEA-028B MODUL ASSY 21 19 08 10 09 11 ED-131297-AFA20 POWER HEATSINK M02 POWER MOSFET STB 9NK70Z-1 SB-16X21 MICA INSULATOR MOUNTING CLIP TAP SCREW MC BTV 3X8 VERTIKAL HEATSINK IC TDA 8174AW TAP SCREW MC BTZ 3X6 POWER HEATSINK BP0 TRANSISTOR 2SC 5885 TAP SCREW MC BTV 3X8 TAP SCREW HD BTV 2.6X8 BIPHONIC HEATSINK IC UTC 2003 TAP SCREW MC BTV 3X6 AD-469701-STA EJ-700007-WT2 EK-231313-A1A EG-543081-YL ED-131093-AEA30 AA-008174-00A EG-583061-YL ED-131395-AFA00 AD-162588-SCA EG-543081-YL EG-543081-CR1 ED-320114-M3A AA-120030-DAXCN EG-543061-YL DN 31A297M2 Sub Assembly 20 5 5A 6 7 8 29 DN31A313M01 MC BTV 3X8 DN 31A093M03 TDA 8174AW +BV WH B-TITE 3X6 DN 31A395 2SC 5885 MC BTV 3X8 +BV B-TITE 2.6X8 PN 2201143 UTC 2003 +BV B-TITE 3X6 1 1 1 1 2 1 1 1 1 1 1 1 21 D.C 340 9 10 04 D.C 340 D.C 340 12 22 19 11 12 13 13 14 15 16 27 D
MANUAL SERVICE MX5203MS 21.pdfAC CORD WIRING ON FRONT CABINET NO. 1 2 3 GL-161179-AAB00A ACCESSORIES 2021 KIT N10 (DN31 DN 61A179 ABS POLYLAC 757 NAT. DN 31A560 ABS POLYLAC 757 NAT. KNOB FOR FUNCTION 2021 N 10 LENS KIT 2021 N10 HBCO MODUL ASSY MC PTV 3X8 DN 31A561 ABS POLYLAC 757 NAT. P-TITE SCREW MC PTV 3X8 HBDO MODUL ASSY KNOB FOR POWER 2021 N10 BRACKET FOR PWR SWITCH N10 CYL SCREW MC MSP 3X6 P-TITE MC PTV 3X8 HBDN MODUL ASSY MC PTV 3X8 peripheral DN 32864M02 MC TSB1T 5X30 DN 51A073R02 DN 51A069 H120X603W8DRS(4) MC PTV 3X8 DN 51A101 DN 41A236M01 TSB1T 4X16 BLACK P-TITE SCREW MC PTV 3X8 FLAT WASHER CPT 21 INCH real flat LOCK WASHER 22X5.5X3.5 TAP SCREW MC TSB1T 5X30 GROUNDING BRAID 21 INCH EXPORT DEGAUSING COIL 21 INCH ( BHN E CABLE TIES CABLE TIES SPEAKER OVAL 120X60MM 80 HM 3W P-TITE SCREW MC PTV 3X8 WIRE BUNDLE SPEAKER (4P) L=400 MAINBOARD MODUL ASSY TV REAR CABINET 2021 INC H N10 TAP SCREW ZK TSB1T 4X16 TAP SCREW ZK BTV 3X10 EN-131560-AAB00A EG-533008-YLA EN-131561-AAB10A EK-131616-AEA10 EG-253063-YL EG-53300
MANUAL SERVICE MX5203MS 22.pdfCRITICAL PART LIST OUR_CODE CRT MODUL AA-006108-00A CE-101508-JH CV-229010-JH EB-001291-026 EA-121555-AGA10 AD-130844-SA CAB & CPT DQ-210001-069 EE-104030-08B FJ-002100-0AB HB-141236-AAA10 IA-210202-AAB HA-141218-AAA20 DEGAUSING COIL 21 INCH ( BHN E SPEAKER OVAL 120X60MM 80 HM 3W GROUNDING BRAID 21 INCH EXPORT TV REAR CABINET 2021 INC H N10 CPT 21 INCH DFA ITC (AK MASK) TV FRONT CABINET 21 INCH RF N1 1 2 1 1 1 1 TO EAea-502 U/SPK L,R IC TDA 6108JF/N1A FUSIBLE RESISTOR 0W50 100R J MOF RESISTOR 1W 2R2 J CRT SOCKET D=29(HIGH-FOC US) PCB HBBA-067A M01 (1PNL= 8CAVS TRANSISTOR 2SA844PCTZ-Q TAPING 1 1 1 1 0.125 1 ICba7-601 Rba7-601(GESPER) Rba7-605 PREPARE P01 Tba7-601 DESCRIPT M5203MS REFFERENCE SN81C857M03 REMOTE CONTROL MODULE BG-476160-MVE AK-001001-00D JA-024553-00B EA-121639-AGA00 BF-101630-JCB BF-101630-JCB AB-733428-00A CB-221108-JHA CB-229258-JHA AE-300817-BCA TRAP 34,4 MODULE JA-145042-00 JA-013896-00A EA-121719-AGA00 AG-001100-1SS AD-260945-0H AD-340103-RCA AD-130844-SA AD-340103
MANUAL SERVICE MX5203MS 23.pdfOUR_CODE AA-178051-AN AA-120011-00C DM-010001-006 DF-129201-DS DR-210001-539 DM-400001-701 CT-220701-SZ CT-200200-00A AD-162588-SCA ET-200000-00K DESCRIPT IC 7805 (Io=1A) IC OTP W/PROG HBM-00-11M SMPS TRANSFORMER LINE FILTER 2X2.92MH FLYBACK TRANSFORMER 21IN CH HORIZ. DRIVE TRANSFORMER 7MH POWER THERMISTOR DUAL PTC 20 OHM TRANSISTOR 2SC 5885 TUNER UHF/VHF VST (EWT-5 V3SB1 M5203MS 1 1 1 1 1 1 1 1 1 1 REFFERENCE ICea-506 ICea-701 Mea-501 Mea-502 Mea-801 Mea-802 RTHea-501 RTHea-502 Tea-801 TUea-101 22
MANUAL SERVICE MX5203MS 3.pdfService Manual BML Myanmar PT.Hartono Istana Teknologi WARNING AND CAUTIONS 1. Make sure that AC cord of the unit is unplug, when open the unit. 2. Be careful in trouble shooting, especially in live area. 3. Be careful for ESD dangerous/ static electricity (use antistatic bangle when you do service), especially component like: IC, MPEG module, CD/DVD mechanism, Led Blue Back Light, LCD Panel and other semi conductor component. (When handling component, don't touch the bottom of component but handle the body only). 4. Change the components that appropriate with the genuine value and spesifications. 5. Pay attention to the sign in body of the unit and PCB, to be more clear you can read instruction manual and service manual. 2
MANUAL SERVICE MX5203MS 4.pdfService Manual BML Myanmar SPECIFICATIONS General Specifications Receiving System Color System Receiving Channels VHF Low VHF High UHF Antenna Socket Audio Video Input Features : PAL BG, NTSC M : PAL, NTSC :2-4 : 5 - 12 : 21 - 69 PT.Hartono Istana Teknologi : VHF/UHF 75 Ohm, IEC Standard (Coaxial) Unbalanced : RCA Type : 100 Program Numbers (0/VCR ~ 99) : Infra Red Remote Control : Multi Colors OSD (On Screen Display) : Automatic Tuning with Auto Memorized, Semi Auto Tuning and Fine Tuning : Last Program Number and Last Volume Level Memory : Menu System Display : Programmable Sleep Timer (10, 20, ......., 120 minutes) : Clock Setting : ON/OFF Timer : Automatically Switch to Standby, 10 Minutes after No Reception Signal (Only for TV Mode) : Auto Muting while No Reception Signal : Blue Background while No Video Signal (Selectable) : Auto Flesh : Automatic Peak RGB Regulation (APR) : Picture Noise Reduction (PNR) : Picture Improvement (PI) : Zoom Picture : Field Strength Meter : 2 AV In
MANUAL SERVICE MX5203MS 5.pdfService Manual BML Myanmar PT.Hartono Istana Teknologi TELEVISION TYPE Special Specifications MX 5203MS Power Source AC 90-250V 50/60 Hz 80 Watt 21" Real Flat 51 x 64 x 47cm Weight Audio Output Speaker Features: DVD Input Terminal AV Input Terminal AV Output Terminal Subwoofer Out Terminal Tone Control (Bass, Treble, Balance) AVL Function Surround Effect 4 Sound Mode Field Strenght Meter V Front & Rear V V V V V V V 25 kg 2 x 3 Watt 8 W, 2 pcs Power Consumption Picture Tube Size Dimension 4
MANUAL SERVICE MX5203MS 6.pdfService Manual BML Myanmar PT.Hartono Istana Teknologi Block Diagram Chassis BML Myanmar HBCO +5VA HEATER,G2,FOCUS +5VA POWER IR KEY-1 HBDC SAW SOUND SIF PIF AGC HBBA 1,2 R,G,B OUT 30,31,32 6,7 33 8 V.SYNC +185V V DRIVE +8V V I-CATH RGB AMP SW.LEVEL OSC 8MHz 3 32 42 34 MVT INTEGRATOR/ TUNING VOLTAGE MVT IF T U N E R TU101 IC701 31 H.SYNC V.SYNC 18 19 IF AMP AGC AGC SAW PICTURE MCU VL VH UHF BAND SELECT T701,T702,T70 3 VL VH UHF MAV1 MAV2 13 14 16 6 11 7 20 40 41 P.IF AGC CVBS 5 13 47 S.MUTE PROTEKSI SDA SCL FS2 SOUND TRAP 5.5MHz V. FEEDBACK VERTICAL AMPLIFIER IC 301 CVBS INT 18 44 R,G,B,OSD 42 ADC +12V +25V H SYNC. PROTEKSI 48 49 46 H.DRIVE H.PULSE BCL HORISONTAL DEFLECTION dan EHT H EHT HEATER ,G2 FOCUS ONE CHIP 34,35,36,37, 11 56 20 VID-IN1 +25V L-IN1 B+(115V) +185V EXT-AUD IN FOR MONO SPECIFIKASI VCC IF 25,26,27 12 17 +12V MIXER R-IN1 14 52 51 45 53 SDA SCL AV - IN +5V +8V +8V +5V +5V +14V AUD RF-L 16 MAV1 MAV2 10 1 AUD RF-R AUDIO-L 1
MANUAL SERVICE MX5203MS 7.pdfService Manual BML Myanmar PT.Hartono Istana Teknologi TROUBLE SHOOTING CHASSIS BML THE UNIT CAN'T ON THE UNIT CAN'T ON CHECK SUPPLY VO=B+,8V,5V 5VA NOT OK OK CHECK BCL > 5V CHECK BCL>5Vdc OK CHECK DEFLECTION NOT OK CHECK DIODE OUTPUT ON C525(+) +/- 300V OK OK ON PRIMER SECTION ( IC 501 etc ) NOT OK NOT OK THE UNIT CAN'T ON THE UNIT CAN'T ON BCL>5V CHECK FBT FO +25V,+12V,+185V Heater Voltage TROBLE ON PRIMER SECTION CHECK MOSFET IC501(Pin G,D,S) OK CHECK BIAS/GATE VOLTAGE > 4V NOT OK NOT OK NOT OK OK CHECK IC 301 PIN 48 NOT OK CHECK REQUIREMENT OF IC 301 START UP NOT OK FULFILL REQUIREMENT OF IC 301 START UP OK CHANGE IC 301 6
MANUAL SERVICE MX5203MS 8.pdfService Manual BML Myanmar PT.Hartono Istana Teknologi 1. REQUIREMENT OF " START UP " Some Condition must be fulfill for Start Up : - Supply of B+ :115V for 20" 21" and 113V for 14" - MCU Voltage typical 5V, and can not less then 4,5V. - Reset Voltage typical 5V, and can not less then 4,5V - VCCD Voltage for STV 22XX series ( pin 35 ) have to 5V, or minimal 4,5V. - Make sure there are connection from I2C bus (MCU) to STV 22XX series. - Protection voltage on pin 16 MCU must be higher then 3V, if it is less, protection will active and MCU will activate standby mode. - VCC 1 for STV 22XX series ( pin 45 ) typical 8V, and can not lower then 7,3V. if it is less horizontal output STV 22XX series will disable. - Voltage pin 46 STV 22XX series can not lower then 1V, or protection will active and horizontal output STV 22XX series will disable. 7
MANUAL SERVICE MX5203MS 9.pdfService Manual BML Myanmar PT.Hartono Istana Teknologi ADJUSTMENT PROCEDURE CHASSIS BML (14"/14"RF - 21"/21"RF) I. B+ ADJUSTMENT - Monitor B+ Voltage on test point TP B+ at diagram number D508/D509 ( cathoda ) - Set trimpot RT501 to get B+ Voltage as follow : 14", 17" = 113V. 20", 21" and 15" Flat Samsung = 115V. II. OSD ADJUSTMENT : - Setting normal, with pola normal. Show OSD menu picture. Adjust CT 701 as like bellow : OSD position III. SERVICE MODE ADUSTMENT : 1. PNR, Pic Improve, Auto Flesh and APR setting should be on, before white balance adjustment in process. 2. Service Mode procedure : - Standby off TV set. Push menu button and hold for 1 second. Type Service code 1 0 1 3 ( Service mode ) or 1 0 1 4 ( Factory mode ). Use Prog Up / Prog Down button for choose item adjustment. Use Vol/DT +/- button to change value. To keep Adjustment data, Press menu button until " stored " appears on display.. To quit from service mode, stand by off TV set then standby on again. 8

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